/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
*/
package org.evosuite.testcase.localsearch;
import org.evosuite.ga.localsearch.LocalSearchObjective;
import org.evosuite.testcase.TestChromosome;
import org.evosuite.testcase.execution.ExecutionResult;
import org.evosuite.testcase.statements.PrimitiveStatement;
/**
* <p>
* BooleanLocalSearch class.
* </p>
*
* @author Gordon Fraser
*/
public class BooleanLocalSearch extends StatementLocalSearch {
private boolean oldValue;
/* (non-Javadoc)
* @see org.evosuite.testcase.LocalSearch#doSearch(org.evosuite.testcase.TestChromosome, int, org.evosuite.ga.LocalSearchObjective)
*/
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public boolean doSearch(TestChromosome test, int statement,
LocalSearchObjective<TestChromosome> objective) {
PrimitiveStatement<Boolean> p = (PrimitiveStatement<Boolean>) test.getTestCase().getStatement(statement);
ExecutionResult oldResult = test.getLastExecutionResult();
oldValue = p.getValue();
p.setValue(!oldValue);
if (!objective.hasImproved(test)) {
// Restore original
p.setValue(oldValue);
test.setLastExecutionResult(oldResult);
test.setChanged(false);
return false;
} else {
return true;
}
}
}